Interim manager Rafael Benitez admits his Chelsea players are beginning to suffer from the demands of a congested ficture list after securing an FA Cup replay at thrid-tier Brentford.
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The Spaniard was relieved when his side recovered after twice falling behind to the League One club, eventually clinching a 2-2 draw through Fernando Torres' late equaliser.
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Benitez is anxious for Chelsea, the cup holders, to progress as far as possible in the competition as he attempts to make his mark during his seven-month stay at Stamford Bridge.
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But he says the last thing his team needs is an extra game in schedule after a gruelling spell that has included December's trip to Japan for the Club World Cup and the losses of John Obi Mikel to Nigeria's Africa Cup of Nations campaign.
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'' It's very difficult, we are playing a game every three days. How can u train the day before? How can you train the day after? ''.